FRAME_T1
FRAME_T1,
{ "t1", &ddb_regs.tf_regs[FRAME_T1], FCN_NULL },
regp->r_regs[R_T1] = framep->tf_regs[FRAME_T1];
framep->tf_regs[FRAME_T1] = regp->r_regs[R_T1];
FRAME_T1,
FRAME_V0, FRAME_T0, FRAME_T1, FRAME_T2,